Service difficulty report · Sensor · Boeing 7373H4

Difficulty date
June 21, 2014
Submitted
June 23, 2014
Operation
Air carrier
Aircraft
N349SW
Make and model
Boeing 7373H4
Aircraft serial
24408
Aircraft time
79,858 hours, 69,082 cycles
Engine
Cfmint CFM563B1US
Part
Sensor
Part number
8901326
Part serial
WYG42191
Condition
Faulty
Location
Nr 2 Engine
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
D

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AIR TURN BACK, NR 2 ENG FLUCTUATION APPROX 4 % N1 DURING TAKEOFF & CLIMB FOR APPROX 3 - 4 MINUTES. ONCE STABILIZED, N1 WAS APPROX 10% BELOW NR 1 ENG N1. R & R NR 2 ENG T2 SENSOR IAW MM.

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